Product Overview Upgrade your damper system with our high-quality Replacement Damper 2 Wire Spring Motor Actuator, designed as a direct replacement for the M847D series motors. Compatible with popular ZD and ARD dampers, this actuator ensures reliable performance and longevity. It is an ideal solution for replacing most 2 wire normally open, power to close spring return motors, including the 135-6 motor and other brands with the same footprint. Key Features: Direct Replacement: Designed to replace M847D series motors on ZD and ARD dampers, including M847D1004, M847D1012, and other M847D series motors. Suitable for most 2 wire normally open, power to close spring return motors. High Reliability: Built with durability in mind, this motor actuator boasts a statistical life reliability exceeding 120,000 cycles at 90% reliability and 100% confidence, with no decay in delivery torque over the life of the actuator. Consistent Torque: Delivers a consistent torque of 32 in. oz. for both power open and spring close modes, ensuring smooth operation throughout the full 90 rotational range. Quiet Operation: Operates very quietly with a noise level typically 40dB at 3 feet, making it suitable for residential and commercial applications. Comprehensive Package: Includes a handy 24-volt test light and troubleshooting guide to help you test power to your motor and perform a complete diagnostic evaluation of your zoning system. Specifications: Voltage: 24 VAC +/- 10%, 60 Hz, 0.36A Torque Rating: Power open 32 in. oz./spring close 32 in. oz. Speed Stroke: Motor driven 30 sec./spring return 6 sec. Rotating Angle: 93.5 Noise Level: 40dB at 3 feet Center Shaft to Shaft Spacing: 1.33 or 1 5/16 inches Package Includes: 1 x Replacement Damper Motor Actuator 1 x 24-volt Test Light 1 x Troubleshooting Guide (2 pages) Product Details: Reliable and Durable: Constructed with high-quality materials, this actuator ensures long-term reliability and consistent performance. The statistical life reliability surpasses 120,000 cycles, maintaining torque delivery throughout its lifespan. Easy Installation: The motor actuator is designed for easy installation, serving as a direct replacement for various M847D series motors and other compatible models. Comprehensive Testing: With the included 24-volt test light and troubleshooting guide, you can easily test power to your motor and diagnose any issues with your zoning system. Quiet and Efficient: Enjoy quiet operation with a noise level typically 40dB, ensuring minimal disruption in your home or office environment. Why Choose Our Replacement Damper Motor Actuator? Direct Replacement: Perfect fit for M847D series motors and other compatible models. High Reliability: Exceeds 120,000 cycles with no decay in torque. Consistent Performance: Provides consistent torque throughout the operating range. Quiet Operation: Very quiet operation, ideal for any setting. Comprehensive Package: Includes test light and troubleshooting guide for easy diagnostics. Customer Satisfaction: Commitment to Quality: We are dedicated to providing high-quality products and exceptional customer service. If you encounter any issues, please contact us for prompt assistance. Responsive Support: Our team is available to help with any questions or concerns, ensuring your complete satisfaction. Upgrade your damper system with our reliable and efficient Replacement Damper Motor Actuator. Order now and experience enhanced performance and durability!